CVE-2013-0281 Denial of service in n/a

Medium 4.3 Published 23 Nov 2013 Updated 6 Aug 2024

Remote attackers can cause denial of service by blocking sockets in Pacemaker when remote CIB or resource management is enabled.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2013-0281?

CVE-2013-0281 is a medium-severity denial of service vulnerability in Redhat Enterprise Linux, published on 23 Nov 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Pacemaker 1.1.10, when remote Cluster Information Base (CIB) configuration or resource management is enabled, does not limit the duration of connections to the blocking sockets, which allows remote attackers to cause a denial of service (connection blocking).

Weakness: CWE-399

Which versions are affected by CVE-2013-0281?

It affects 2 products.

Linux distribution packages (9)

`pacemaker` Red Hat:enterprise_linux:6::server	All versions	`0:1.1.10-14.el6`
`pacemaker-cli` Red Hat:enterprise_linux:6::server	All versions	`0:1.1.10-14.el6`
`pacemaker-cluster-libs` Red Hat:enterprise_linux:6::server	All versions	`0:1.1.10-14.el6`
`pacemaker-cts` Red Hat:enterprise_linux:6::server	All versions	`0:1.1.10-14.el6`
`pacemaker-debuginfo` Red Hat:enterprise_linux:6::server	All versions	`0:1.1.10-14.el6`
`pacemaker-doc` Red Hat:enterprise_linux:6::server	All versions	`0:1.1.10-14.el6`
`pacemaker-libs` Red Hat:enterprise_linux:6::server	All versions	`0:1.1.10-14.el6`
`pacemaker-libs-devel` Red Hat:enterprise_linux:6::server	All versions	`0:1.1.10-14.el6`
`pacemaker-remote` Red Hat:enterprise_linux:6::server	All versions	`0:1.1.10-14.el6`

Products include Clusterlabs Pacemaker, Redhat Enterprise Linux.

How do I fix CVE-2013-0281?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2013-0281 being exploited?

There is no known exploitation of CVE-2013-0281 in the wild and no public exploit code.

All Redhat Enterprise Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2013-0281, GHSA-9mhm-24f3-gp3v, MGASA-2014-0069, RHSA-2013:1635.